n. 25B6; noun
she worked with enthusiasm : EAGERNESS, keenness, ardour, fervour, passion, zeal, zest, gusto, energy, verve, vigour, vehemence, fire, spirit, avidity; wholeheartedness, commitment, willingness, devotion, earnestness; informal get-up-and-go.
they put their enthusiasms to good use : INTEREST, passion, obsession, mania; inclination, preference, penchant, predilection, fancy; pastime, hobby, recreation, pursuit.
apathy.